20Keys, doors and windowsRadio remote control
Used to operate:■ Central locking system
■ Anti-theft alarm system
The radio remote control has a range of approx. 30 metres. It can be
restricted by external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ Range exceeded
■ Battery voltage too low
■ Frequent, repeated operation of the
radio remote control while not in
range, which will require re-
synchronisation
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time
■ Interference from higher-power radio waves from other sources
Unlocking 3 21.
Basic settings
Some settings can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 100.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Keys, doors and windows21
Extend the key and open the unit.
Replace the battery (battery type
CR 2032), paying attention to the installation position. Close the unit
and synchronise.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control is
synchronised when the ignition is
switched on.
Memorised settings Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
■ Lighting
■ Infotainment system
■ Central locking system
The saved settings are automatically used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 121.A precondition is that Personalization
by driver is activated in the personal
settings of the Graphic-Info-Display.
This must be set for each key used.
On vehicles equipped with
Colour-Info-Display, the
personalisation is permanently
activated.
Vehicle personalisation 3 100.
Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle again opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.Unlocking
Radio remote control
Press button c.
Two settings are selectable: ■ To unlock only the driver's door, load compartment and fuel filler
flap; press button c once. To unlock
all doors; press button c twice
or
■ press button c once to unlock all
doors, load compartment and fuel
filler flap
26Keys, doors and windows
Status LED is integrated in the sensoron top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:LED illuminates=test, arming delay.LED flashes
quickly=doors, tailgate or
bonnet not
completely closed,
or system fault.
Status after system is armed:
LED flashes
slowly=system is armed.
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle deactivates the anti-theft alarm system.
Alarm The alarm can be silenced bypressing any button of the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can be
deactivated by pressing the button e
or switching on the ignition.
Auto door locking
If any of the doors is not opened or the position of the ignition key is not
located in position 2 or 3 3 121 within
3 minutes after unlocking doors with
the radio remote control, all doors are locked and the anti-theft alarm
system is activated automatically.
Automatic door unlocking All doors will be automatically
unlocked when impact is delivered to
impact sensors while the ignition is
switched on.
However, the doors may not be
unlocked if mechanical problems
occur with the door locking system or battery.
Immobiliser
The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been removed from the ignition switch.If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Notice
The immobiliser does not lock the
doors. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 21,
3 25.
Control indicator d 3 88.
30Keys, doors and windows
Pushing or pulling firmly to the second
detent and then releasing: window
moves up or down automatically with
safety function enabled. To stop
movement, operate the switch once
more in the same direction.
Safety function If the window glass encounters
resistance above the middle of the
window during automatic closing, it is
immediately stopped and opened
again.
Override safety function
In the event of closing difficulties due to frost or the like, switch on the
ignition, then pull the switch to the first
detent and hold. The window moves
up without safety function enabled.
To stop movement, release the
switch.Child safety system for rear
windows
Press switch z to deactivate rear
power windows.
To activate, press z again.
Overload If the windows are repeatedly
operated within short intervals, the window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery),
activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Close the window completely and
keep the switch pulled for
additional 2 seconds.
4. Repeat for each window.
Heated rear window
78Instruments and controlsPower outlets
A 12 Volt power outlet is located in the
front console.
Do not exceed the maximum power
consumption of 120 watts.
A 230 Volt power outlet is located in
the rear console.
Do not exceed the maximum power
consumption of 150 watts.
With ignition off the power outlet is
deactivated.
Additionally the power outlet is
deactivated in case of low battery
voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Caution
Do not connect any current- delivering accessories, e.g.
electrical charging devices or
batteries.
Do not damage the sockets by
using unsuitable plugs.
Instruments and controls85
* illuminates yellow.
The front passenger airbag is
deactivated 3 46.9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Battery is not
charging. Engine cooling may be interrupted. The brake servo unit may
cease to be effective. Seek the
assistance of a workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts.
Illuminates when the engine is running Fault in the emission control system.
The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.
Flashes when the engine is
running
Fault that could lead to catalytic converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon g illuminates yellow.
Additionally a warning message or a
warning code is displayed.
The vehicle needs a service.Seek the assistance of a workshop.
Vehicle messages 3 95.
Brake and clutch system R illuminates red.
The brake and clutch fluid level is too
low 3 161.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 132.
Operate pedal
- illuminates or flashes yellow.
Illuminates Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 122.
96Instruments and controls
No.Vehicle message28Right rear turn signal failure53Tighten gas cap54Water in diesel fuel filterS68Service power steeringS73Service all-wheel drive systemS75Service air conditioningS79Top up engine oilS81Service transmissionS82Change engine oil soonS84Engine power is reducedS89Service vehicle soon128Bonnet open134Park assist fault, clean
bumperS136Service parking assist174Low batteryNotice
"S" means "Service vehicle soon".
Seek the assistance of a workshop
immediately.
Vehicle messages on the
Uplevel-Display and Uplevel- Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Service messages
■ Anti-theft alarm system
■ Brakes
■ Drive systems
■ Ride control systems
■ Driver assistance systems
■ Cruise control
■ Speed limiter
■ Parking assist systems
■ Lighting, bulb replacement
■ Adaptive forward lighting
■ Doors, windows
■ Traffic sign assistant
■ Lane departure warning
■ Load compartment, boot lid
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filter
■ Vehicle battery status
Instruments and controls97Warning chimesWhen starting the engine or
whilst driving ■ If the door or bonnet is open.
■ If seat belt is not fastened.
■ If a certain speed is exceeded with parking brake applied.
■ If a warning message or a warning code appears in the Driver
Information Centre.
■ If the parking assist detects an object.
When the vehicle is parked and/ or the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
Battery voltage
When the battery voltage is running
low, a warning message or warning
code 174 will appear in the Driver
Information Centre.1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window
or other main consumers.
2. Charge the battery by driving continuously for a while or by
using a charging device.
The warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the battery cannot be recharged,
have the cause of the fault remedied
by a workshop.Trip computer
The menus and functions can be
selected via the buttons on the turn signal lever 3 90.
Press the MENU button to select the
Trip/Fuel Information Menu , or select
W on the Uplevel-Combi-Display.